Base64 File Encoder
Converts any uploaded file into Base64 representation.
Lilu Baba's Base64 File Encoder reads any file you choose and converts it to a Base64 string entirely in your browser, using the FileReader API.
How to use this tool
- Choose any file.
- Its Base64-encoded representation updates instantly.
FAQ
Base64 File Encoder — frequently asked questions
No — the file is read and encoded entirely in your browser; it never leaves your device.
No hard limit is enforced, but very large files may take longer and use more browser memory to encode.